11bab25e60a5ee684b4ab216545813d0d75218cd62a51bd794ad681553ad6172

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 07:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
Size 66KB
Sample240601-hzlnlsec77
SHA256 11bab25e60a5ee684b4ab216545813d0d75218cd62a51bd794ad681553ad6172
MD5 9213e7c2138cd70aae98611aa1f82d70
SHA1 fa2675bedce7263e80365d9bd51a24fd3f29d386
SHA512 344153f7f2b2ecf939b6dbf5a693c73e4f09616dd6527b9400803b823d0102ac65c90ecd755301aee36de6ca1f66e4e82a710a59d9e9587c0b31f9bf15733caf
SSDEEP 1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXiSssssssssssssssssssssi:IeklMMYJhqezw/pXzH9iF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Detects BazaLoader malware 1 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.

trojan

resource	yara_rule
behavioral2/memory/1224-37-0x0000000075880000-0x00000000759DD000-memory.dmp	BazaLoader

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Modifies Installed Components in the registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
4496	explorer.exe
4988	spoolsv.exe
1224	svchost.exe
2364	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe
File opened for modification	\??\c:\windows\system\explorer.exe	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe
1224	svchost.exe
1224	svchost.exe
4496	explorer.exe
4496	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4496	explorer.exe
1224	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
4496	explorer.exe
4496	explorer.exe
4988	spoolsv.exe
4988	spoolsv.exe
1224	svchost.exe
1224	svchost.exe
2364	spoolsv.exe
2364	spoolsv.exe
4496	explorer.exe
4496	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 4496	2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe	83
PID 2532 wrote to memory of 4496	2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe	83
PID 2532 wrote to memory of 4496	2532	9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe	83
PID 4496 wrote to memory of 4988	4496	explorer.exe	84
PID 4496 wrote to memory of 4988	4496	explorer.exe	84
PID 4496 wrote to memory of 4988	4496	explorer.exe	84
PID 4988 wrote to memory of 1224	4988	spoolsv.exe	85
PID 4988 wrote to memory of 1224	4988	spoolsv.exe	85
PID 4988 wrote to memory of 1224	4988	spoolsv.exe	85
PID 1224 wrote to memory of 2364	1224	svchost.exe	86
PID 1224 wrote to memory of 2364	1224	svchost.exe	86
PID 1224 wrote to memory of 2364	1224	svchost.exe	86
PID 1224 wrote to memory of 4084	1224	svchost.exe	87
PID 1224 wrote to memory of 4084	1224	svchost.exe	87
PID 1224 wrote to memory of 4084	1224	svchost.exe	87
PID 1224 wrote to memory of 516	1224	svchost.exe	104
PID 1224 wrote to memory of 516	1224	svchost.exe	104
PID 1224 wrote to memory of 516	1224	svchost.exe	104
PID 1224 wrote to memory of 5100	1224	svchost.exe	113
PID 1224 wrote to memory of 5100	1224	svchost.exe	113
PID 1224 wrote to memory of 5100	1224	svchost.exe	113

C:\Users\Admin\AppData\Local\Temp\9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\9213e7c2138cd70aae98611aa1f82d70_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532
- \??\c:\windows\system\explorer.exe
  c:\windows\system\explorer.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Modifies Installed Components in the registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4496
- - \??\c:\windows\system\spoolsv.exe
    c:\windows\system\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4988
  - - \??\c:\windows\system\svchost.exe
      c:\windows\system\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Modifies visiblity of hidden/system files in Explorer
      Modifies Installed Components in the registry
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1224
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2364
    - - C:\Windows\SysWOW64\at.exe
        
        at 07:12 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:4084
    - - C:\Windows\SysWOW64\at.exe
        
        at 07:13 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:516
    - - C:\Windows\SysWOW64\at.exe
        
        at 07:14 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

mrsys.exe

Path C:\Users\Admin\AppData\Roaming\mrsys.exe
Size 66KB
SHA256 e858fef13cf938c5eb88ad865221fba400294d23013d76dbe9134ef48079c085
MD5 866544d0a344a5a118a03dd38f7ce698
SHA1 6f92048e22adda50776ab17d371c74ce15538901
SHA512 b62d91d2bc7bdd61939b36349b5e2adadf2a0bc2a601f996793b4145cf1c84e6de8a5bc7181f308e463999b75d26abd9c17adfb7bb997f5771c156a33994a79e
SSDEEP 1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXiD:IeklMMYJhqezw/pXzH9iD
MD5 SHA1 SHA512 SSDEEP

Submit Download

explorer.exe

Path C:\Windows\System\explorer.exe
Size 66KB
SHA256 c010c04bfed4032654e4b801c09fe60ef9de23b734dbd323309b77d0aa64467c
MD5 877950791bd33663927848bc5d46df6c
SHA1 2bb72afbce6444c42ae0ce74384f807b28f9e4d8
SHA512 baa73ad679fe5828cab14bbb7dbfc2e1eff16063828f70c87bbcd435dfd82099a99172f8f041513954278cac3ad41c45026f5d32046f283837f813789e141e00
SSDEEP 1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXi/:IeklMMYJhqezw/pXzH9i/
MD5 SHA1 SHA512 SSDEEP

Submit Download

spoolsv.exe

Path C:\Windows\System\spoolsv.exe
Size 66KB
SHA256 d112c73e5f968ebc80e29ea2046330e7d8c2eaa5fa9d5b7e20026b89faf07cd0
MD5 1da4b2117635e0fd40007ffa9d9c4847
SHA1 ad987581d748244a198b255ae28e441c185b21b7
SHA512 26c031b2e898fd3b2c05385aab0cf6af912c744cc3f779a9435a8cdee7985c32bdae34c2df4cd2c7a7873f7c2ff8b5b09e1a08e54160a540b47ee1088a2bc7d9
SSDEEP 1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXix:IeklMMYJhqezw/pXzH9ix
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Windows\System\svchost.exe
Size 66KB
SHA256 602ada11376ffb3c8cde9066e4e219aad6058d0bfb3b90a292bc558308977aa0
MD5 9b0994b034dc2f7803a7d75b29a7e7ce
SHA1 629b8849ede7cb512fdb8ef5f4d8dd3ab853eb71
SHA512 4574715d7c7b32dade520f9f4c319614317401271c5e438bd21ce796637e4a39ab5def5c25ea3b95acec75c27343964e9d9f97ea539564ee50a59da9e547b13d
SSDEEP 1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXir:IeklMMYJhqezw/pXzH9ir
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1224-62-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/1224-41-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/1224-37-0x0000000075880000-0x00000000759DD000-memory.dmp

Download

memory/2364-51-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/2364-45-0x0000000075880000-0x00000000759DD000-memory.dmp

Download

memory/2532-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/2532-2-0x0000000075880000-0x00000000759DD000-memory.dmp

Download

memory/2532-57-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/2532-58-0x0000000000401000-0x000000000042E000-memory.dmp

Download

memory/2532-4-0x0000000000401000-0x000000000042E000-memory.dmp

Download

memory/2532-3-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/2532-1-0x00000000001D0000-0x00000000001D4000-memory.dmp

Download

memory/2532-44-0x00000000001D0000-0x00000000001D4000-memory.dmp

Download

memory/4496-16-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4496-15-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4496-60-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4496-13-0x0000000075880000-0x00000000759DD000-memory.dmp

Download

memory/4496-71-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4988-30-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4988-55-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4988-26-0x0000000075880000-0x00000000759DD000-memory.dmp

Download

memory/4988-25-0x0000000000400000-0x0000000000431000-memory.dmp

Download